• Filing Date: 2017-08-09
  • Form Type: 10-Q
  • Description: Quarterly report
v3.7.0.1
DEBT - Narrative (Details)
3 Months Ended
Jun. 30, 2017
USD ($)
Dec. 31, 2012
USD ($)
$ / shares
Mar. 31, 2017
USD ($)
Debt Instrument [Line Items]      
Aggregate principal amount $ 126,493,000    
Outstanding letters of credit 60,219,000   $ 65,028,000
Credit agreement | Letter of credit      
Debt Instrument [Line Items]      
Outstanding letters of credit 1,000,000    
Revolving Credit Agreement with PNC      
Debt Instrument [Line Items]      
Aggregate principal amount $ 13,403,000    
Commitment fee percentage on unused capacity (percent) 0.375%    
Revolving Credit Agreement with PNC | Federal funds rate      
Debt Instrument [Line Items]      
Variable interest rate 0.50%    
Revolving Credit Agreement with PNC | One month LIBOR      
Debt Instrument [Line Items]      
Variable interest rate 1.00%    
Revolving Credit Agreement with PNC | One Month LIBOR margin | Minimum      
Debt Instrument [Line Items]      
Variable interest rate 1.50%    
Revolving Credit Agreement with PNC | One Month LIBOR margin | Maximum      
Debt Instrument [Line Items]      
Variable interest rate 2.50%    
Revolving Credit Agreement with PNC | Credit agreement      
Debt Instrument [Line Items]      
Available uncommitted accordion $ 20,000,000    
Excess availability under revolving credit agreement 39,600,000    
Revolving Credit Agreement with PNC | Credit agreement | Revolving credit agreement      
Debt Instrument [Line Items]      
Aggregate principal amount 13,403,000   $ 18,500,000
Borrowing capacity $ 80,000,000    
Line of credit at an interest rate 5.75%    
Term loan agreement      
Debt Instrument [Line Items]      
Aggregate principal amount $ 50,000,000    
DDTL $ 20,000,000    
Interest rate during the period (percent) 8.66%    
Term loan agreement | Federal funds rate      
Debt Instrument [Line Items]      
Variable interest rate 0.50%    
Term loan agreement | One month LIBOR      
Debt Instrument [Line Items]      
Variable interest rate 1.00%    
Term loan agreement | Base rate      
Debt Instrument [Line Items]      
Variable interest rate 3.00%    
Term loan agreement | Prime rate quoted by the Wall Street Journal | Minimum      
Debt Instrument [Line Items]      
Variable interest rate 6.00%    
Term loan agreement | Prime rate quoted by the Wall Street Journal | Maximum      
Debt Instrument [Line Items]      
Variable interest rate 7.25%    
Term loan agreement | LIBOR rate plus senior net leverage ratio | Minimum      
Debt Instrument [Line Items]      
Variable interest rate 7.00%    
Term loan agreement | LIBOR rate plus senior net leverage ratio | Maximum      
Debt Instrument [Line Items]      
Variable interest rate 8.25%    
Term loan agreement | Secured secured term loan      
Debt Instrument [Line Items]      
Aggregate principal amount $ 50,000,000    
4.50% convertible subordinated notes      
Debt Instrument [Line Items]      
Aggregate principal amount $ 63,090,000 $ 70,000,000  
Stated interest rate 4.50% 4.50%  
Conversion ratio   75.896  
Conversion ratio applied per principal amount   $ 1,000  
Conversion price (usd per share) | $ / shares   $ 13.20  
Quarterly repayment of original principal balance (percent) 1.25%